/* Boss sprite sheets — assets/images/bosses/{pack}/png/ */

.cq-boss-sprite {
  --cq-boss-native-w: 100px;
  --cq-boss-native-h: 100px;
  --cq-boss-aspect: 1;
  --cq-boss-frames: 5;
  --cq-boss-sheet: none;
  --cq-boss-duration: 0.85s;
  --cq-boss-display: 160px;
  --cq-boss-frame-w: calc(var(--cq-boss-display) * var(--cq-boss-aspect));
  display: inline-block;
  width: var(--cq-boss-frame-w);
  height: var(--cq-boss-display);
  background-color: transparent;
  background-image: var(--cq-boss-sheet);
  background-repeat: no-repeat;
  background-position: 0 0;
  background-size: calc(var(--cq-boss-frame-w) * var(--cq-boss-frames)) var(--cq-boss-display);
  image-rendering: -moz-crisp-edges;
  image-rendering: pixelated;
  -ms-interpolation-mode: nearest-neighbor;
  flex-shrink: 0;
  pointer-events: none;
  animation: cq-boss-sheet var(--cq-boss-duration) steps(var(--cq-boss-frames)) infinite;
}

.cq-boss-sprite--sm {
  --cq-boss-display: 72px;
  --cq-boss-duration: 0.9s;
}

.cq-boss-sprite--md {
  --cq-boss-display: 120px;
}

.cq-boss-sprite--lg {
  --cq-boss-display: 180px;
}

.cq-boss-sprite--xl {
  --cq-boss-display: 240px;
}

.cq-boss-sprite.is-empty {
  background-image: none;
  background-color: rgba(255, 255, 255, 0.04);
  border: 2px dashed var(--border);
  animation: none;
}

.cq-boss-sprite.is-attack,
.cq-boss-sprite.is-skill {
  --cq-boss-duration: 0.55s;
  animation-iteration-count: 1;
  animation-fill-mode: forwards;
}

.cq-boss-sprite.is-death {
  --cq-boss-duration: 1.1s;
  animation-iteration-count: 1;
  animation-fill-mode: forwards;
}

.cq-boss-sprite.is-hit {
  filter: brightness(1.35) saturate(1.2);
  animation: cq-boss-sheet var(--cq-boss-duration) steps(var(--cq-boss-frames)) infinite,
    cq-boss-hit-flash 0.35s ease-out 1;
}

@keyframes cq-boss-sheet {
  from {
    background-position: 0 0;
  }
  to {
    background-position: calc(-1 * var(--cq-boss-frame-w) * var(--cq-boss-frames)) 0;
  }
}

@keyframes cq-boss-hit-flash {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

/* Battle stage */
.cq-boss-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border: 2px solid var(--border);
  background:
    radial-gradient(ellipse at 50% 80%, rgba(198, 40, 40, 0.18) 0%, transparent 60%),
    linear-gradient(180deg, rgba(20, 18, 24, 0.2) 0%, rgba(0, 0, 0, 0.35) 100%);
  min-height: 260px;
}

.cq-boss-stage__label {
  font-family: var(--font-pixel);
  font-size: var(--font-size-pixel-min);
  color: #ffe08a;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cq-boss-stage__sprite-wrap {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: 200px;
}

/* Pokémon battlefield: enemy sits toward the right, grounded */
.cq-boss-battlefield__stage .cq-boss-stage__sprite-wrap {
  justify-content: flex-end;
  align-items: flex-end;
}

/* Teacher picker */
.cq-boss-visual-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: var(--space-sm);
}

.cq-boss-visual-picker__option {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin: 0;
  padding: var(--space-sm);
  border: 2px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  cursor: pointer;
  text-align: center;
}

.cq-boss-visual-picker__option:has(input:checked) {
  border-color: var(--btn-gold);
  box-shadow: 0 0 0 1px rgba(255, 200, 60, 0.35);
  background: rgba(198, 40, 40, 0.12);
}

.cq-boss-visual-picker__option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.cq-boss-visual-picker__name {
  font-size: var(--font-size-xs);
  color: var(--text-main);
  overflow-wrap: anywhere;
}

.cq-boss-visual-picker__preview {
  width: 72px;
  height: 72px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cq-boss-visual-picker__preview .cq-boss-sprite {
  --cq-boss-display: 64px;
}

.cq-boss-music-picker {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.cq-boss-music-picker__option {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: 0;
  padding: var(--space-sm);
  border: 2px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  cursor: pointer;
}

.cq-boss-music-picker__option:has(input:checked) {
  border-color: var(--btn-gold);
  box-shadow: 0 0 0 1px rgba(255, 200, 60, 0.35);
  background: rgba(198, 40, 40, 0.12);
}

.cq-boss-music-picker__option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.cq-boss-music-picker__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  width: 100%;
}

.cq-boss-music-picker__name {
  font-size: var(--font-size-sm);
  color: var(--text-main);
}

@media (max-width: 479px) {
  .cq-boss-sprite--lg {
    --cq-boss-display: 160px;
  }

  .cq-boss-sprite--xl {
    --cq-boss-display: 190px;
  }

  .cq-boss-stage {
    min-height: 220px;
  }

  .cq-boss-stage__sprite-wrap {
    min-height: 180px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cq-boss-sprite {
    animation: none !important;
    background-position: 0 0 !important;
  }
}